Introduction：Basic information about CAS 157142-50-2|4-chloro-2-methylpyrazole-3-carbonyl chloride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-chloro-2-methylpyrazole-3-carbonyl chloride |
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| CAS Number | 157142-50-2 | Molecular Weight | 179.00400 |
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| Density | 1.55g/cm3 | Boiling Point | 264.6ºC at 760 mmHg |
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| Molecular Formula | C5H4Cl2N2O | Melting Point | / |
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| MSDS | / | Flash Point | 113.8ºC |
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Names
| Name | 4-chloro-2-methylpyrazole-3-carbonyl chloride |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.55g/cm3 |
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| Boiling Point | 264.6ºC at 760 mmHg |
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| Molecular Formula | C5H4Cl2N2O |
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| Molecular Weight | 179.00400 |
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| Flash Point | 113.8ºC |
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| Exact Mass | 177.97000 |
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| PSA | 34.89000 |
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| LogP | 1.45250 |
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| Vapour Pressure | 0.00964mmHg at 25°C |
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| Index of Refraction | 1.611 |
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| InChIKey | ZJUBRBFBPOSJDA-UHFFFAOYSA-N |
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| SMILES | Cn1ncc(Cl)c1C(=O)Cl |
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Safety Information
Customs
| HS Code | 2933199090 |
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| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 4-chloro-1-methyl-1h-pyrazole-5-carbonyl chloride |
